public class yanghui {
    public static void main(String[] args) {
        int [][] yanghui=new int [10][];


        for(int i=0;i<yanghui.length;i++){
            yanghui[i]=new int [i+1];
            yanghui[i][0]=yanghui[i][i]=1;
            for(int j=1;j<yanghui[i].length-1;j++){
                   yanghui[i][j]=yanghui[i-1][j-1]+yanghui[i-1][j];
            }
        }
        for (int i=0;i<yanghui.length;i++){
            for (int j=0;j<yanghui[i].length;j++){
                System.out.print(yanghui[i][j]+"\t");
            }
            System.out.println("\n");
        }
    }

}

